Introduction to MIG WeldingLength: 3 minutesBefore we get too deep into the MIG welding skill we should take a minute (or three) to look at the MIG welder and learn what makes it tick. View Quiz To access this content, you must purchase Motorsport Fabrication Course Subscription – Yearly Subscription, Motorsport Fabrication Course Subscription – Monthly Subscription or Motorsport MIG Welding Skills Course.